Abstract
A low molecular weight heparinoid (Org 10172) was compared with unfractionated heparin in 36 patients on chronic hemodialysis in an open randomized cross-over study with three anti-coagulant treatment regimens for a single hemodialysis session. The anti-coagulant regimens were: a) standard heparin (3250-4750 I.U. heparin at start of hemodialysis followed by continuous infusion of 2000-2700 I.U. per hour); b) Org 10172 administered as a single intravenous bolus of 2400 anti-Xa units at start of dialysis; c) Org 10172 administered as a single bolus of 3200 anti-Xa units at start of dialysis. Plasma anti-Xa activity during hemodialysis was highest in regimen; d) and significantly lower when heparin was used. Mean beta-thromboglobulin concentrations changed to the same extent in the three groups. Plasma platelet factor 4 concentrations were higher after the use of heparin. The extracorporeal circuit was maintained patent in all groups; the volume of blood retained in the dialyzers did not differ markedly. Org 10172 proved safe and its anticoagulant effect was sufficient at the dose levels studied.
Published Version
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